Lycoming O-360
The Lycoming O-360 is a family of four-cylinder, direct-drive, horizontally opposed, air-cooled, piston aircraft engines. Engines in the O-360 series produce between 145 and 225 horsepower (109 to 168 kW), with the basic O-360 producing 180 horsepower.
| O-360 | |
|---|---|
| Lycoming IO-360-A1B6 | |
| Type | Piston aircraft engine |
| National origin | United States |
| Manufacturer | Lycoming Engines |
| First run | 1952 1963 (injected version) |
| Major applications | Cessna 172 R & S Cessna 177 Cardinal Mooney M20 |
| Produced | 1955–present |
| Developed into | Lycoming IO-390 Lycoming O-540 Lycoming IO-720 |
The engine family has been installed in thousands of aircraft, including the Cessna 172, Piper Cherokee/Archer, Grumman Tiger, and many home-built types. It has a factory rated time between overhaul (TBO) of 2000 hours or twelve years. O-360 family engines are also widely used in airboats, most notably in the Hurricane Aircats used by the US Army during the Vietnam War.
The first O-360 certified was the A1A model, certified on 20 July 1955 to United States CAR 13 effective March 5, 1952 as amended by 13-1 and 13-2. The Lycoming IO-390 is an O-360 which has had its cylinder bore increased by 3⁄16 inch (4.76 mm), developing 210 hp (157 kW).